BYD与SONY锂电池对比.xlsx

packpack basicbasic characteristicscharacteristics manufacturermanufacturer bydbydsonysony itemitem nominal voltage3.6v3.6v nominal capacity 1400mah (discharge at current 0.2c from 4.20v to 3.0v) 1430mah (discharge at current 0.2ita(272ma) from 4.2v to 3.0v) standard charge current0.952a0.952a max charge current1.36a1.36a charge volvtage4.200.05v4.200.05v max discharge current2.0a2.0a discharge cut-off voltage3.0v3.0v opreating temperature(charge)0+450+45 opreating temperature(discharge)-10+55-10+55 temparaturecapacity recovery ratetemparature storage temparature(1 month)-20+45more than 80%-20+45 storage temparature(3 months)-20+45more than 80%-20+45 storage temparature(1 year)-20+20more than 80%-20+20 specificationspecification andand testtest methodmethod manufacturermanufacturer bydbydsonysony itemitem measuremeasure methodmethodperformanceperformancemeasuremeasure methodmethod open circuit voltage within 1 hour after complete charge,measure the open circuit voltage voltage4.15v within 24 hours after complete charge,measure the open circuit voltage internal impedance internal impedance measured at 1khz after complete charge initial200m after 500cycles 300m internal impedance measured at 1khz after complete charge capacity within 1 hour after complete charge,discharge at current 0.2c to 3.0v discharge time 300min discharge at current 272ma, after complete standard charge. within 1 hour after complete charge,discharge at current 1c to 3.0v discharge time 57min after complete charge at standard current,discharge at standard current cycle life measure the discharge time after 500 cycles of complete charge and discharge at 1c current to 3.0v cut-off discharge time 48min measure the discharge time after 500 cycles of complete charge and discharge at standard current self discharge after complete charge, stand at 25 for 28days. then discharge at 0.2c to 3.0v cut-off. retention capacity:85% (14000.85=1190m a) after complete charge at standard current, stand at 232 for 28days. discharge at standard current voltage 50% capacity as shipment 3.6v-3.9v different temperature performance capacity comparison at each temperature, measured with constant discharge current o.2c to 3.0v cut-off after complete charge at 25. percentage as an index of the capacity compared with 100% at 25 after complete charge at standard current, . discharge at 680ma to cut-off. dischargedischarge temperaturetemperature charactercharacter after complete charge at standard current, . discharge at standard current to cut-off. c chargeharge temperaturetemperature charactercharacter overcharge detection voltage4.275v0.030v4.254.31 over-discharge detection voltage2.290v 75mv2.202.4 over current detection4.0a1.0a2.17.0 capacity recovery rate 90% 90% 80% performanceperformance voltage4.15v less than 195m (include connector) more than 291min (more than 1320ma) more than 111min (more than 1256ma) packpack basicbasic characteristicscharacteristics sonysony 3.6v 1430mah (discharge at current 0.2ita(272ma) from 4.2v to 3.0v) 0.952a 1.36a 4.200.05v 2.0a 3.0v 0+45 -10+55 specificationspecification andand testtest methodmethod sonysony more than 66min (more than 752ma) more than 1067ma (more than 94min) after complete charge at standard current, . discharge at 680ma to cut-off. dischargedischarge temperaturetemperature characterc